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Interlayer inclusion of tetracyanonickelate anion and water molecules: The crystal and molecular structure of [-ZN(en)2-μ-(NC)2-NI-μ -(CN)2-ZN(en) -] 2n+ n ·n[NI(CN)4]2− · 3n H2O

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Abstract

The crystal structure of [Zn(en)2- (NC)2Ni(CN)2 Zn(en)][Ni(CN)4]· 3 H2O consists of infinite positively charged wave-shaped layers of composition [Zn(en)2-(NC)2Ni(CN)2- Zn(en)] 2n+ n with the [Ni(CN)4]2− anions and water molecules included between them. Both Ni atoms exhibit square-planar coordination. The chelate bonded en (=ethylenediamine) and N-bonded cyano ligands around two independent zinc atoms form a deformed tetrahedron and a deformed octahedron, respectively. Yellow needles of the complex belong to the orthorhombic space groupPbcm witha = 6.977(1),b = 25.407(4),c = 14.876(2)Å,Z = 4,D m = 1.74(1) g cm−3 andD c = 1.739 g cm−3. The structure was refined toR = 6.31 %.

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Authors and Affiliations

  1. Department of Inorganic Chemistry, P. J. Šafárik University, Moyzesova 11, CS-041 54, Košice, Czechoslovakia

    Juraj Ćernák & Ivan Potočňák

  2. Institute of Physics, Czechoslovak Academy of Sciences, Na Slovance 2, CS-180 40, Praha 8, Czechoslovakia

    Václav Petříček & Karel Malý

Authors
  1. Juraj Ćernák
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  2. Ivan Potočňák
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  3. Václav Petříček
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  4. Karel Malý
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Ćernák, J., Potočňák, I., Petříček, V. et al. Interlayer inclusion of tetracyanonickelate anion and water molecules: The crystal and molecular structure of [-ZN(en)2-μ-(NC)2-NI-μ -(CN)2-ZN(en) -] 2n+ n ·n[NI(CN)4]2− · 3n H2O. J Incl Phenom Macrocycl Chem 14, 73–80 (1992). https://doi.org/10.1007/BF01041368

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